CraftTopia: Changing to legacy branch
To play on your dedicated server, you will need to change the branch your game is on.
To change the branch, open Steam and go to your library.
Find CrafTopia then right click on it and select Properties
In the window that opens, click on Betas
then click the dropdown box adjacent to Beta Participation
and select legacy
Close the window then wait for the game to finish updating, once it finishes, you should be able to start it up and connect to your server.